Jiabao-Sun commented on code in PR #24670: URL: https://github.com/apache/flink/pull/24670#discussion_r1593260020
########## flink-core/src/test/java/org/apache/flink/util/LinkedOptionalMapTest.java: ########## @@ -124,42 +118,50 @@ public void mergingToEmpty() { first.putAll(second); - assertThat(first.keyNames(), contains("a", "b", "c", "d")); + assertThat(first.keyNames()).contains("a", "b", "c", "d"); } - @Test(expected = IllegalStateException.class) - public void unwrapOptionalsWithMissingValueThrows() { - LinkedOptionalMap<Class<?>, String> map = new LinkedOptionalMap<>(); + @Test + void unwrapOptionalsWithMissingValueThrows() { + assertThatThrownBy( + () -> { + LinkedOptionalMap<Class<?>, String> map = new LinkedOptionalMap<>(); - map.put("a", String.class, null); + map.put("a", String.class, null); - map.unwrapOptionals(); + map.unwrapOptionals(); + }) + .isInstanceOf(IllegalStateException.class); } - @Test(expected = IllegalStateException.class) - public void unwrapOptionalsWithMissingKeyThrows() { - LinkedOptionalMap<Class<?>, String> map = new LinkedOptionalMap<>(); + @Test + void unwrapOptionalsWithMissingKeyThrows() { + assertThatThrownBy( + () -> { + LinkedOptionalMap<Class<?>, String> map = new LinkedOptionalMap<>(); - map.put("a", null, "blabla"); + map.put("a", null, "blabla"); - map.unwrapOptionals(); + map.unwrapOptionals(); + }) + .isInstanceOf(IllegalStateException.class); } @Test - public void unwrapOptionalsPreservesOrder() { + void unwrapOptionalsPreservesOrder() { LinkedOptionalMap<Class<?>, String> map = new LinkedOptionalMap<>(); map.put("a", String.class, "aaa"); map.put("b", Boolean.class, "bbb"); LinkedHashMap<Class<?>, String> m = map.unwrapOptionals(); - assertThat(m.keySet(), contains(String.class, Boolean.class)); - assertThat(m.values(), contains("aaa", "bbb")); + assertThat(m).containsKey(String.class); Review Comment: ```suggestion assertThat(m).containsKeys(String.class, Boolean.class); ``` ########## flink-core/src/test/java/org/apache/flink/util/concurrent/ConjunctFutureTest.java: ########## @@ -37,43 +37,41 @@ import java.util.stream.Collectors; import java.util.stream.IntStream; -import static org.hamcrest.Matchers.equalTo; -import static org.hamcrest.Matchers.is; -import static org.junit.Assert.assertEquals; -import static org.junit.Assert.assertFalse; -import static org.junit.Assert.assertThat; -import static org.junit.Assert.assertTrue; -import static org.junit.Assert.fail; +import static org.assertj.core.api.Assertions.assertThat; +import static org.assertj.core.api.Assertions.assertThatThrownBy; -/** Tests for the {@link ConjunctFuture} and its sub classes. */ -@RunWith(Parameterized.class) -public class ConjunctFutureTest extends TestLogger { +/** Tests for the {@link ConjunctFuture} and its subclasses. */ +@ExtendWith(ParameterizedTestExtension.class) +class ConjunctFutureTest { - @Parameterized.Parameters + @Parameters public static Collection<FutureFactory> parameters() { Review Comment: ```suggestion private static Collection<FutureFactory> parameters() { ``` ########## flink-core/src/test/java/org/apache/flink/util/SerializedValueTest.java: ########## @@ -20,62 +20,57 @@ import org.apache.flink.core.testutils.CommonTestUtils; -import org.junit.Test; +import org.junit.jupiter.api.Test; import java.util.Arrays; -import static org.junit.Assert.assertArrayEquals; -import static org.junit.Assert.assertEquals; -import static org.junit.Assert.assertNotEquals; -import static org.junit.Assert.assertNotNull; -import static org.junit.Assert.fail; +import static org.assertj.core.api.Assertions.assertThat; +import static org.assertj.core.api.Assertions.assertThatThrownBy; /** Tests for the {@link SerializedValue}. */ -public class SerializedValueTest { +class SerializedValueTest { @Test - public void testSimpleValue() { - try { - final String value = "teststring"; - - SerializedValue<String> v = new SerializedValue<>(value); - SerializedValue<String> copy = CommonTestUtils.createCopySerializable(v); - - assertEquals(value, v.deserializeValue(getClass().getClassLoader())); - assertEquals(value, copy.deserializeValue(getClass().getClassLoader())); - - assertEquals(v, copy); - assertEquals(v.hashCode(), copy.hashCode()); - - assertNotNull(v.toString()); - assertNotNull(copy.toString()); - - assertNotEquals(0, v.getByteArray().length); - assertArrayEquals(v.getByteArray(), copy.getByteArray()); - - byte[] bytes = v.getByteArray(); - SerializedValue<String> saved = - SerializedValue.fromBytes(Arrays.copyOf(bytes, bytes.length)); - assertEquals(v, saved); - assertArrayEquals(v.getByteArray(), saved.getByteArray()); - } catch (Exception e) { - e.printStackTrace(); - fail(e.getMessage()); - } + void testSimpleValue() throws Exception { + final String value = "teststring"; + + SerializedValue<String> v = new SerializedValue<>(value); + SerializedValue<String> copy = CommonTestUtils.createCopySerializable(v); + + assertThat(v.deserializeValue(getClass().getClassLoader())).isEqualTo(value); + assertThat(copy.deserializeValue(getClass().getClassLoader())).isEqualTo(value); + + assertThat(copy).isEqualTo(v); + assertThat(copy).hasSameHashCodeAs(v.hashCode()); + + assertThat(v.toString()).isNotNull(); + assertThat(copy.toString()).isNotNull(); + + assertThat(v.getByteArray().length).isNotEqualTo(0); Review Comment: ```suggestion assertThat(v.getByteArray()).isNotEmpty(); ``` -- This is an automated message from the Apache Git Service. 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